Shell Elastomers LLC
Records under this name other than patents Shell Elastomers LLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,730,737 | Releasable pressure sensitive adhesive composition Formerly held Term ended Term ended Feb 7, 2024 · From the USPTO record | Term ended | Term ended Feb 7, 2024 | From the USPTO record |
| US 6,451,913 | Radial hydrogenated block copolymers showing one phase melt behavior Formerly held Term ended Term ended Aug 21, 2020 · From the USPTO record | Term ended | Term ended Aug 21, 2020 | From the USPTO record |
| US 6,537,661 | Melt Processable, Bleach Resistant, Durable Fibers Having High Elastic Recovery and Low Stress Relaxation from Polyurethane Elastomers Formerly held Term ended Term ended Jun 28, 2020 · High confidence | Term ended | Term ended Jun 28, 2020 | High confidence |
| US 6,391,981 | Increased throughput in the manufacture of anionic polymers by reduction in polymer cement viscosity through the addition of metal alkyls Formerly held Term ended Term ended Mar 29, 2020 · From the USPTO record | Term ended | Term ended Mar 29, 2020 | From the USPTO record |
| US 6,492,469 | Increased Throughput in the Manufacture of Anionic Polymers by Reduction in Polymer Cement Viscosity Through the Addition of Metal Alkyls Formerly held Term ended Term ended Mar 29, 2020 · Medium confidence | Term ended | Term ended Mar 29, 2020 | Medium confidence |
| US 6,455,651 | Uniform initiation of anionic polymerization using organo-substituted alkali metal initiators Formerly held Term ended Term ended Mar 14, 2020 · From the USPTO record | Term ended | Term ended Mar 14, 2020 | From the USPTO record |
| US 6,525,142 | Monohydroxylated diene polymers and epoxidized derivatives thereof Term ended Term ended Feb 25, 2020 · From the USPTO record | Term ended | Term ended Feb 25, 2020 | From the USPTO record |
| US 6,451,865 | Foam composition comprising oil, thermoplastic elastomer and expandable particles Formerly held Term ended Term ended Feb 14, 2020 · From the USPTO record | Term ended | Term ended Feb 14, 2020 | From the USPTO record |
| US 6,228,947 | Deprotection of polymers prepared with silyloxy protected functional initiators by reaction with aqueous fluoroboric acid Formerly held Term ended Term ended Jan 24, 2020 · From the USPTO record | Term ended | Term ended Jan 24, 2020 | From the USPTO record |
| US 6,221,968 | Process for producing specific tapered block copolymers Formerly held Term ended Term ended Jan 7, 2020 · From the USPTO record | Term ended | Term ended Jan 7, 2020 | From the USPTO record |